Product Description Characteristics : 4 lighting modes for each lamp. High beam, low beam, fast flashing and slow flashing. Running time (LED front light). 4 hours (high beam), 12 hours (low beam), 12 hours (fast flashing) and 10.5 hours (slow flashing). Running time (LED rear light).4 hours (main beam), 11 hours (low beam), 11 hours (fast flashing) and 11 hours (slow flashing). Waterproof. IPX4. Splash-proof from all directions Can be used as a flashlight. The lamp can be quickly released from the holder and used as a torch in an emergency. Stable. Even when driving, the lamp can remain safely locked in position. Use. This bicycle set with headlight and taillight provides good lighting for optimum roadway lighting. Suitable for all bicycles such as children's and road bikes, trekking, mountain bike and can be mounted on the handlebar, saddle, backpack, helmet and many other things. Package contents : size 1 1X rear light (red light) 1X USB cable size 2 1X Bicycle front Light (White Light) 1X USB cable size 3 1X Bicycle Light (White Light) 1X rear light (red light) 2X USB cable 1X user manual